<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
    <form action="login">
		       用户名：<input type="text" name="username"> 
		       密码：<input type="text"name="password"> 
		       <input type="submit" name="login" value="提交">
	</form>
</body>
</html>